body, html
  line-height: 1
  font-weight 200
  font-family: "PingFang SC", "Helvetica Neue", Helvetica, STHeiTi, Arial, sans-serif

.clearfix
  display: inline-block
  &:after
    display: block
    content: "."
    height: 0
    line-height: 0
    clear: both
    visibility: hidden

@media (-webikit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webikit-transfrom: scaleY(0.7);
      transfrom: scaleY(0.7);

@media (-webikit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webikit-transfrom: scaleY(0.5);
      transfrom: scaleY(0.5);
